Facet fusion implant

Inactive Publication Date: 2009-06-25
HOCHSCHULER STEPHEN +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

[0004]A medical device, method and system are presented for securing such surfaces as bone material of a spine, such as for posterior stabilization or for fusing various segments of the spine. The medical device (facet fusion device) may have a pair of pivotable clamp members and an anchor member that interrelat

Problems solved by technology

However, the safety of pedicle screw fixation has come into question.
Tissue damage during insertion, screw

Method used

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  • Facet fusion implant
  • Facet fusion implant
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Embodiment Construction

[0017]Specific examples of components, methods, and arrangements are described below to simplify the present disclosure. These are, of course, merely examples and are not intended to limit the invention from that described in the claims. Well-known elements are presented without detailed description in order not to obscure the present invention in unnecessary detail. For the most part, details unnecessary to obtain a complete understanding of the present invention have been omitted inasmuch as such details are within the skills of persons of ordinary skill in the relevant art.

[0018]Turning now to FIG. 1 there is presented a front perspective view of one possible embodiment of a facet fusion device 500. The facet fusion device 500 may incorporate a closure member 100 and a pair of clamp members 200 and 250. The facet fusion device 500 may be utilized along with other instruments and implants to stabilize or fuse various segments of the spine. Accordingly, the closure member 100 and t...

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Abstract

A medical device, method and system are provided for stabilizing and/or for fusing bone material, such as vertebra of the spine. The medical device (fusion device) has a pair of clamp members and an optional anchor member that cooperate to securely attach the fusion device to a facet joint of the spine. The fusion device may slide down a guide wire and driven into facet bone material of a facet joint. The clamp members may be pivoted together to grip adjacent bone facets and promote their fusion. Further features include injecting flowable bone fusion material between adjacent bone facets gripped by the device.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application relates to, and claims the benefit of the filing date of, co-pending U.S. provisional patent application Ser. No. 60 / 947,746 entitled FACET FUSION IMPLANT, filed Jul. 3, 2007, the entire contents of which are incorporated herein by reference for all purposes.TECHNICAL FIELD[0002]The invention relates in general to skeletal stabilization systems, and in particular to implants, surgical guides, delivery instruments and methods for delivering and attaching implants to bony structures such as a facet of a vertebrae.BACKGROUND INFORMATION[0003]The use of posterior rigid fixation devices for the stabilization of the spine has become very popular. Pedicle screw fixation has been the gold standard for posterior stabilization for more than two decades. However, the safety of pedicle screw fixation has come into question. Tissue damage during insertion, screw mal-position, and the potential risk of neurologic and vascular injury ha...

Claims

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Application Information

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IPC IPC(8): A61B17/58
CPCA61B17/7064A61B17/84A61F2002/4677A61F2/4455A61F2/4405
Inventor HOCHSCHULER, STEPHENCOLLERAN, DENNISSCHORER, SCOTTBROWN, ROB
Owner HOCHSCHULER STEPHEN
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